【正文】
lationships even if the data available seem to be unconnected. Moreover, he thinks he can improve the existing conditions, whether of pure or applied knowledge, and enjoys trying to solve the problems which this involves. He is a good observer, accurate, patient and objective and applies persistent and logical thought to the observations he makes. He utilizes the facts he observes to the full extent. For example, trained observers obtain a very large amount of information about a star mainly from the accurate analysis of the simple lines that appear in a spectrum. He is skeptical — he does not accept statements which are not based on the most plete evidence available — and therefore rejects authority as the sole basis for truth. Furthermore, he is not only critical of the work of others, but also of his own. Since he knows that man is the least reliable of scientific instruments and that a number of factors tend to disturb objective investigation. Lastly, he is highly imaginative since he often has to look for relationships in data, which are not only plex but also frequently inplete. Furthermore, he needs imagination if he wants to make hypotheses of how processes work and how events take place. These seem to be some of the ways in which a successful scientist or technologist thinks and acts.